use of com.cloud.legacymodel.communication.command.AttachOrDettachConfigDriveCommand in project cosmic by MissionCriticalCloud.
the class VirtualMachineManagerImpl method orchestrateMigrateWithStorage.
private void orchestrateMigrateWithStorage(final String vmUuid, final long srcHostId, final long destHostId, final Map<Long, Long> volumeToPool) throws ResourceUnavailableException, ConcurrentOperationException {
final VMInstanceVO vm = _vmDao.findByUuid(vmUuid);
final HostVO srcHost = _hostDao.findById(srcHostId);
final HostVO destHost = _hostDao.findById(destHostId);
final VirtualMachineGuru vmGuru = getVmGuru(vm);
final Zone zone = _zoneRepository.findById(destHost.getDataCenterId()).orElse(null);
final HostPodVO pod = _podDao.findById(destHost.getPodId());
final Cluster cluster = _clusterDao.findById(destHost.getClusterId());
final DeployDestination destination = new DeployDestination(zone, pod, cluster, destHost);
// Create a map of which volume should go in which storage pool.
final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm);
final Map<Volume, StoragePool> volumeToPoolMap = getPoolListForVolumesForMigration(profile, destHost, volumeToPool);
// a vm and not migrating a vm with storage.
if (volumeToPoolMap == null || volumeToPoolMap.isEmpty()) {
throw new InvalidParameterValueException("Migration of the vm " + vm + "from host " + srcHost + " to destination host " + destHost + " doesn't involve migrating the volumes.");
}
AlertManager.AlertType alertType = AlertManager.AlertType.ALERT_TYPE_USERVM_MIGRATE;
if (VirtualMachineType.DomainRouter.equals(vm.getType())) {
alertType = AlertManager.AlertType.ALERT_TYPE_DOMAIN_ROUTER_MIGRATE;
} else if (VirtualMachineType.ConsoleProxy.equals(vm.getType())) {
alertType = AlertManager.AlertType.ALERT_TYPE_CONSOLE_PROXY_MIGRATE;
}
_networkMgr.prepareNicForMigration(profile, destination);
volumeMgr.prepareForMigration(profile, destination);
final HypervisorGuru hvGuru = _hvGuruMgr.getGuru(vm.getHypervisorType());
final VirtualMachineTO to = hvGuru.implement(profile);
ItWorkVO work = new ItWorkVO(UUID.randomUUID().toString(), _nodeId, State.Migrating, vm.getType(), vm.getId());
work.setStep(Step.Prepare);
work.setResourceType(ItWorkVO.ResourceType.Host);
work.setResourceId(destHostId);
work = _workDao.persist(work);
// Put the vm in migrating state.
vm.setLastHostId(srcHostId);
moveVmToMigratingState(vm, destHostId, work);
boolean migrated = false;
try {
// config drive: Detach the config drive at source host
// After migration successful attach the config drive in destination host
// On migration failure VM will be stopped, So configIso will be deleted
final Nic defaultNic = _networkModel.getDefaultNic(vm.getId());
List<String[]> vmData = null;
if (defaultNic != null) {
final UserVmVO userVm = _userVmDao.findById(vm.getId());
final Map<String, String> details = _vmDetailsDao.listDetailsKeyPairs(vm.getId());
vm.setDetails(details);
final Network network = _networkModel.getNetwork(defaultNic.getNetworkId());
if (_networkModel.isSharedNetworkWithoutServices(network.getId())) {
final String serviceOffering = _serviceOfferingDao.findByIdIncludingRemoved(vm.getId(), vm.getServiceOfferingId()).getDisplayText();
final String zoneName = _dcDao.findById(vm.getDataCenterId()).getName();
final boolean isWindows = _guestOSCategoryDao.findById(_guestOSDao.findById(vm.getGuestOSId()).getCategoryId()).getName().equalsIgnoreCase("Windows");
vmData = _networkModel.generateVmData(userVm.getUserData(), serviceOffering, zoneName, vm.getInstanceName(), vm.getId(), (String) profile.getParameter(VirtualMachineProfile.Param.VmSshPubKey), (String) profile.getParameter(VirtualMachineProfile.Param.VmPassword), isWindows, network);
final String vmName = vm.getInstanceName();
final String configDriveIsoRootFolder = "/tmp";
final String isoFile = configDriveIsoRootFolder + "/" + vmName + "/configDrive/" + vmName + ".iso";
profile.setVmData(vmData);
profile.setConfigDriveLabel(VmConfigDriveLabel.value());
profile.setConfigDriveIsoRootFolder(configDriveIsoRootFolder);
profile.setConfigDriveIsoFile(isoFile);
// At source host detach the config drive iso.
final AttachOrDettachConfigDriveCommand dettachCommand = new AttachOrDettachConfigDriveCommand(vm.getInstanceName(), vmData, VmConfigDriveLabel.value(), false);
try {
_agentMgr.send(srcHost.getId(), dettachCommand);
s_logger.debug("Deleted config drive ISO for vm " + vm.getInstanceName() + " In host " + srcHost);
} catch (final OperationTimedoutException e) {
s_logger.debug("TIme out occured while exeuting command AttachOrDettachConfigDrive " + e.getMessage());
}
}
}
// Migrate the vm and its volume.
volumeMgr.migrateVolumes(vm, to, srcHost, destHost, volumeToPoolMap);
// Put the vm back to running state.
moveVmOutofMigratingStateOnSuccess(vm, destHost.getId(), work);
try {
if (!checkVmOnHost(vm, destHostId)) {
s_logger.error("Vm not found on destination host. Unable to complete migration for " + vm);
try {
_agentMgr.send(srcHostId, new Commands(cleanup(vm.getInstanceName())), null);
} catch (final AgentUnavailableException e) {
s_logger.error("AgentUnavailableException while cleanup on source host: " + srcHostId);
}
cleanup(vmGuru, new VirtualMachineProfileImpl(vm), work, Event.AgentReportStopped, true);
throw new CloudRuntimeException("VM not found on desintation host. Unable to complete migration for " + vm);
}
} catch (final OperationTimedoutException e) {
s_logger.warn("Error while checking the vm " + vm + " is on host " + destHost, e);
}
migrated = true;
} finally {
if (!migrated) {
s_logger.info("Migration was unsuccessful. Cleaning up: " + vm);
_alertMgr.sendAlert(alertType, srcHost.getDataCenterId(), srcHost.getPodId(), "Unable to migrate vm " + vm.getInstanceName() + " from host " + srcHost.getName() + " in zone " + zone.getName() + " and pod " + zone.getName(), "Migrate Command failed. Please check logs.");
try {
_agentMgr.send(destHostId, new Commands(cleanup(vm.getInstanceName())), null);
stateTransitTo(vm, Event.OperationFailed, srcHostId);
} catch (final AgentUnavailableException e) {
s_logger.warn("Looks like the destination Host is unavailable for cleanup.", e);
} catch (final NoTransitionException e) {
s_logger.error("Error while transitioning vm from migrating to running state.", e);
}
}
work.setStep(Step.Done);
_workDao.update(work.getId(), work);
}
}
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